.main-header{
  height: 60px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background-color: #46539E;
  .main-header-sider-left{
    width: 300px;
    img{
      width: 60px;
    }
    a{
      color: #ffffff;
      font-size: 20px;
      font-weight: bold;
      margin-left: 10px;
    }
  }
}